Pith Number

pith:QASBKAWI

pith:2011:QASBKAWIQJLZJU6TQJH7ARI4WJ

not attested not anchored not stored refs pending

On the Existence of Perfect Codes for Asymmetric Limited-Magnitude Errors

Sarit Buzaglo, Tuvi Etzion

arxiv:1112.0896 v2 · 2011-12-05 · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QASBKAWIQJLZJU6TQJH7ARI4WJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:06:35.202249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80241502c8825794d3d3824ff0451cb24df28f5b6175f89af9e98b8b2626ba0b

Aliases

arxiv: 1112.0896 · arxiv_version: 1112.0896v2 · doi: 10.48550/arxiv.1112.0896 · pith_short_12: QASBKAWIQJLZ · pith_short_16: QASBKAWIQJLZJU6T · pith_short_8: QASBKAWI

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/QASBKAWIQJLZJU6TQJH7ARI4WJ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 80241502c8825794d3d3824ff0451cb24df28f5b6175f89af9e98b8b2626ba0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb6f694ddc42f973f7f30342f4beb20d207fe896072fab423493292787e2a040",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-12-05T11:55:08Z",
    "title_canon_sha256": "44c5be07ec3281e35167a6561609795811c7bab2956eae277afe1fee1daa7db2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.0896",
    "kind": "arxiv",
    "version": 2
  }
}